Color boxes - Click on a colored box to turn a color on or off. (Colors labeled "No!" will not be chosen at startup.) Hold down the option key on the keyboard and click on a colored box to pick a color for that box. All Button - Turn all colors on. None Button - Turn all colors off. Default Button - Set the colors to the original "factory preset" colors. Import Button - Import a previously saved color set. Export Button - Export the color set to a file. Save Button - Save the changes to the currently selected color set to be used at the next startup. Cancel Button - Cancel any changes to the currently selected color set.